fix(cli): preserve detected iOS target in Builder onboarding

[WcaleNieWolny]

Summary

• map the authoritative Release bundle ID to its matching Xcode application target
• persist the detected target as CAPGO_IOS_TARGET during iOS Builder onboarding
• prevent custom-target projects from falling back to the nonexistent App target during marketing-version handling
• add regression coverage for the Dinnerish / com.dinnerish.app case with multiple application targets

Testing

• bun run cli:check
• focused bundle-ID detector and iOS tail handoff regression tests

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codspeed-hq]

Merging this PR will not alter performance

✅ 43 untouched benchmarks
⏩ 2 skipped benchmarks¹

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_{Comparing wolny/fix-build-init-ios-target (2cf1dd0) with main (3633ef8)}

Footnotes

1. 2 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩